Home > U-Bolts > Brass U-Bolt, 3" Pipe

3" Brass U-Bolt | 2.53" Width | 5.53" Length | 1/2"-13 Thread

Expert Overview

This robust 3" brass U-bolt is engineered for superior corrosion resistance in challenging industrial settings. It provides secure and reliable pipe support, ensuring longevity and operational integrity in demanding applications.

StandardASTM A106
MaterialBrass
FinishPassivated
GradeN/A
Inside Width ( A)2.53"
Inside Length ( B)5.53"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this 3" brass U-bolt is manufactured from high-grade brass, offering exceptional resistance to corrosion and chemical attack, making it ideal for marine, chemical processing, and wastewater applications. Its precisely machined dimensions, with an inside width (A) of 2.53 inches and an inside length (B) of 5.53 inches, ensure a secure fit for standard 3-inch nominal pipe sizes. The robust 1/2"-13 UNC thread size provides ample clamping force for stable and vibration-resistant pipe mounting, guaranteeing sustained structural integrity under load.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

3MEst. 1902
USA🇺🇸
"Science applied to life."
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🏆 Global Innovation Leader
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Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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🚀 Formula 1 & Aerospace OEM
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🛡️ 24/7 Application Support
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🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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🚀 US Military Approved
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🛡️ Lifetime Return Policy
Green Manufacturing
🌱 Sustainable Logistics
Certified:ISO 9001 Compliant

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Position the U-bolt around the pipe and the mounting surface. 2. Thread the nuts onto the bolt legs, ensuring they are snug against the mounting surface. 3. Tighten the nuts evenly to the recommended torque specification, ensuring firm but not overtightened contact.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size U-bolt for the pipe diameter.Always verify the pipe's nominal and actual outer diameter to select a U-bolt with the appropriate inside width for a secure fit.
Overtightening the nuts, which can deform the pipe or the U-bolt.Tighten nuts to the manufacturer's recommended torque specifications to achieve a secure hold without causing damage.
Using standard steel U-bolts in corrosive environments.Select brass or stainless steel U-bolts for applications exposed to moisture, chemicals, or saltwater to prevent premature corrosion and failure.

Common Applications

  • Plumbing and Pipe Support in Marine Environments
  • Chemical Processing and Pharmaceutical Facilities
  • Wastewater Treatment Plants
  • Offshore Oil and Gas Platforms

⚠️ Engineering Warnings

  • Ensure proper torque is applied to prevent stress on pipework.
  • Verify material compatibility with the fluid or environment to prevent galvanic corrosion.
  • Inspect regularly for signs of wear or corrosion, especially in harsh environments.

Alternative Products to Consider

Premium U-Bolts equivalentHigher corrosion resistance (316 SS)
Economy U-Bolts optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Brass U-Bolt, 3" Pipe made from?

A: This Brass U-Bolt, 3" Pipe is manufactured from Brass.

Q: What are the main applications?

A: Plumbing and Pipe Support in Marine Environments, Chemical Processing and Pharmaceutical Facilities, Wastewater Treatment Plants, Offshore Oil and Gas Platforms.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.53"B5.53"C1-1/4"Thread: 1/2"-13 | Both Legs2 Hex Nuts Included

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.